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Junengda 35 kV Three-phase Epoxy Resin Cast Dry-type Distribution Transformer Overview>>>
Junengda’s 35kV Three-phase Epoxy Resin Cast Dry-type Distribution Transformer delivers superior performance and reliability for global industrial and commercial applications. With advanced epoxy resin vacuum casting technology at its core, this transformer is engineered to deliver exceptional resistance to moisture, corrosion, and short circuits. As a result, it becomes the ideal choice for harsh environments ranging from petrochemical plants and mining facilities to coastal areas.
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Junengda 35 kV Three-phase Epoxy Resin Cast Dry-type Distribution Transformer Technical Specifications>>>
| Rated Capacity(KVA) | Voltage Combination and Decomposition Ranges | Vector Group | No-load Loss(w) | Load losses under different insulation system temperatures kW | No-load current
(%) |
Short Circuit Impedance(%) | ||||
| High Voltage Tap Range（kv） | Tap Changing Scope（%） | Low Voltage
(kv) |
130 ℃(B) (100 ℃) | 155 ℃(F) (120 ℃) | 180 ℃(H) (145 ℃) | |||||
| 50 | 35 | ±2.5 ±5 |
0.4 | Dyn11 Yyno | 0.36 | 1.34 | 1.42 | 1.52 | 2.3 | 6 |
| 100 | 0.504 | 1.97 | 2.09 | 2.23 | 2 | |||||
| 160 | 0.632 | 2.65 | 2.81 | 3 | 1.5 | |||||
| 200 | ±2×2.5 ±5 |
0.704 | 3.13 | 3.32 | 3.55 | 1.5 | ||||
| 250 | 0.792 | 3.58 | 3,80 | 4.06 | 1.3 | |||||
| 315 | 0.936 | 4.25 | 4.51 | 4.82 | 1.3 | |||||
| 400 | 1.096 | 5.1 | 5.4 | 5.79 | 1.1 | |||||
| 500 | 1.296 | 6.27 | 6.65 | 7.11 | 1.1 | |||||
| 630 | 1.488 | 7.25 | 7.69 | 8.23 | 1 | |||||
| 800 | 1.728 | 8.6 | 9.12 | 9,76 | 1 | |||||
| 1 000 | 1.944 | 9.86 | 10.4 | 11.1 | 0.75 | |||||
| 1 250 | 2.264 | 12 | 12.7 | 13.6 | 0.75 | |||||
| 1 600 | 2.592 | 14.6 | 15.4 | 16.5 | 0.75 | |||||
| 2 000 | 3.056 | 17.2 | 18.2 | 19.5 | 0.75 | |||||
| 2 500 | 3.56 | 20.6 | 21.8 | 23.3 | 0.75 | |||||
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Junengda 35 kV Three-phase Epoxy Resin Cast Dry-type Distribution Transformer Features>>>
Compliance & Certifications
Junengda’s transformer meets IEC 60076, GB/T 10228, and GB 24790 standards, ensuring global reliability and energy efficiency. Certified for low-loss performance, it aligns with EU directives and emerging market regulations.
Robust Epoxy-Resin Construction
Encapsulated with high-grade epoxy resin, the windings resist moisture, corrosion, and partial discharge. This dry-type design eliminates fire risks, ideal for indoor/outdoor installations in harsh environments.
Optimized for Renewable Energy Systems
Widely used in wind and solar farms (35 kV grid integration), it supports stable power transmission with minimal losses. Proven in Asia, Europe, and the Middle East for offshore/onshore renewable projects.
Advanced Thermal Management
Featuring ANSYS-validated cooling, the transformer maintains temperatures below 65°C under full load. Embedded sensors enable real-time monitoring, preventing hotspots in critical applications.
Eco-Friendly & Low Maintenance
With F/H-class insulation and recyclable materials, it reduces lifecycle costs and environmental impact. Zero-oil design meets strict emission regulations, perfect for urban substations and industrial zones.
Lightning Impulse Resistance
Engineered to withstand 200 kV lightning surges, the epoxy cast structure ensures durability in storm-prone regions. Tested for transient overvoltage stability, it safeguards grid reliability.
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Junengda 35 kV Three-phase Epoxy Resin Cast Dry-type Distribution Transformer advantage>>>
Enhanced Safety & Fire Resistance
Junengda’s transformer eliminates flammable oils, utilizing flame-retardant epoxy resin insulation to ensure superior fire safety. This design prevents explosions and toxic emissions, making it perfect for high-risk environments like urban substations, industrial plants, and commercial hubs.
Exceptional Operational Stability
With high mechanical strength and short-circuit resistance, the transformer maintains stable performance under extreme loads. Its advanced temperature monitoring system automatically activates cooling mechanisms, preventing overheating and ensuring continuous, reliable operation.
Low Maintenance & Cost Efficiency
Free from oil leaks or periodic fluid checks, Junengda’s 35KV Dry-type Distribution Transformer drastically reduces maintenance efforts and costs. The smart thermal protection system minimizes manual intervention, while its robust construction extends service life, offering long-term economic benefits.
Compact Design & Space Optimization
The space-saving structure integrates seamlessly into confined areas, such as urban substations or indoor facilities. Its lightweight yet durable build simplifies installation and reduces infrastructure costs, maximizing space utilization without compromising power capacity.
Eco-Friendly & Energy Efficient
Aligned with global sustainability goals, Junengda’s transformer uses 100% recyclable materials and generates zero oil pollution. Its low no-load and load losses exceed international energy efficiency standards, significantly reducing carbon footprints while lowering operational expenses.
Adaptability to Harsh Environments
Designed for resilience, the transformer excels in humid, dusty, or high-altitude conditions. The IP54 protection rating ensures reliable performance even in challenging settings, from coastal regions to industrial zone.
Why Choose Junengda?
Junengda’s 35 kV Three-phase Epoxy Resin Cast Dry-type Distribution Transformer embodies innovation, safety, and sustainability. Trusted in diverse applications—renewable energy systems, smart grids, and urban infrastructure—it empowers clients to achieve efficient, future-ready power distribution.
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Junengda 35 kV Three-phase Epoxy Resin Cast Dry-type Distribution Transformer Case>>>
1.Upgrading Power Distribution for a Food Processing Plant in China
Junengda’s 35 kV Three-phase Epoxy Resin Cast Dry-type Distribution Transformer was deployed in a large-scale food processing facility in Eastern China to address voltage instability and high energy losses. The plant’s existing oil-immersed transformers struggled with frequent maintenance and safety risks. By integrating Junengda’s fire-resistant, eco-friendly dry-type transformers, the facility reduced downtime by 40% and achieved a 25% decrease in operational costs. The compact design also saved critical space in the plant’s crowded substation.
2.Rural Grid Modernization in Southwest China
In mountainous regions of Sichuan Province, Junengda’s transformers were key to a rural grid upgrade project. The local grid faced challenges like long 10 kV power supply lines and severe voltage drops. Junengda’s 35 kV dry-type transformers, known for their high efficiency and adaptability to harsh environments, were installed in modular substations. This reduced line losses by 30% and improved voltage stability for over 800 households, supporting agricultural automation and rural electrification.
3.Sustainable Energy Integration in a Southeast Asian Industrial Park
A manufacturing hub in Vietnam adopted Junengda’s 35 kV transformers to integrate solar and wind energy into its microgrid. The epoxy resin cast design ensured resistance to humidity and salt corrosion, critical for coastal areas. The transformers enabled seamless voltage regulation and reduced harmonic distortion, cutting energy waste by 18%. Junengda’s solution also aligned with the park’s goal to achieve carbon neutrality by 2030.
4.Reliable Power for a South American Agricultural Cooperative
In Brazil, a soybean processing cooperative struggled with frequent outages caused by outdated grid infrastructure. Due to their low maintenance requirements and capability to manage fluctuating loads during harvest seasons, Junengda’s dry-type transformers were selected. As a result, the installation strengthened grid resilience, mitigated fire risks, and enabled the cooperative to adopt precision irrigation systems. Notably, energy efficiency improved by 22%, ensuring stable power for cold storage and processing units.
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Junengda 35 kV Three-phase Epoxy Resin Cast Dry-type Distribution Transformer FAQ>>>
Q1: What are the key safety features of Junengda’s 35kV epoxy resin cast dry-type transformer?
Junengda’s 35kV Dry-type Distribution Transformer is designed with fire-resistant, self-extinguishing insulation, eliminating explosion risks. Its flame-retardant resin encapsulation ensures compliance with stringent international safety standards, making it ideal for indoor installations in high-risk environments like chemical plants and commercial complexes.
Q2: How does Junengda ensure durability in harsh conditions?
Our transformers feature vacuum-cast epoxy resin insulation, providing superior resistance to moisture, dust, and corrosion. The IP00 to IP23 protection options allow reliable operation in humid, coastal, or polluted industrial areas, ensuring longevity even in extreme climates.
Q3: What makes Junengda’s dry-type transformer energy-efficient?
Junengda uses advanced cold-rolled grain-oriented silicon steel cores and precision-wound copper/aluminum windings, minimizing no-load and load losses. This design meets global energy efficiency benchmarks, reducing operational costs and supporting sustainable power distribution.
Q4: Can this transformer handle overloads or voltage fluctuations?
Yes. The Junengda 35kV Dry-type Distribution Transformer incorporates robust thermal management with embedded Pt100 sensors and intelligent cooling systems. It withstands short-term overloads up to 50% and stabilizes output during voltage surges, ensuring grid reliability.
Q5: How does Junengda simplify maintenance for this transformer?
With resin-sealed windings and corrosion-resistant coatings, Junengda’s dry-type transformers require minimal maintenance. Routine checks focus on cleaning ventilation paths and verifying connections, significantly reducing downtime and lifecycle costs.
Q6: What certifications validate Junengda’s product quality?
Our 35kV product complies with IEC 60076, GB 1094, and ANSI/IEEE standards. Junengda’s rigorous testing protocols, including partial discharge and impulse voltage tests, guarantee global reliability and performance.
Q7: Why choose Junengda over competitors?
Junengda combines 20+ years of expertise with cutting-edge resin casting technology, delivering transformers with unmatched short-circuit resistance, compact dimensions, and noise levels below 65dB. Customizable configurations and 24/7 technical support further enhance our value proposition for industrial and utility clients.
Q8: What applications suit this transformer?
Ideal for renewable energy grids, metro systems, data centers, and offshore platforms, Junengda’s 35kV product excels in spaces demanding fire safety, low maintenance, and high load stability. Its modular design also supports seamless integration with switchgear.
Q9: How does Junengda optimize delivery and installation?
Pre-assembled components, shock-resistant packaging, and detailed installation guides ensure swift deployment. Junengda’s global logistics network guarantees on-time delivery, while our engineers provide remote or on-site commissioning support.